Sampling: The process of selecting a representative group from the larger population to participate in a survey, ensuring that the results can be generalized to the whole population.
Margin of Error:A statistic expressing the amount of random sampling error in a poll's results, indicating how much the opinions in the poll might differ from the overall population's opinions.
Demographics:Statistical data relating to particular groups within a population, used in public opinion polling to segment and understand different subsections' views and behaviors